diff --git a/cmd/helm/create_test.go b/cmd/helm/create_test.go index 0a9b7b9a5..bbb8d394a 100644 --- a/cmd/helm/create_test.go +++ b/cmd/helm/create_test.go @@ -106,7 +106,7 @@ func TestCreateStarterCmd(t *testing.T) { t.Errorf("Wrong API version: %q", c.Metadata.APIVersion) } - expectedNumberOfTemplates := 8 + expectedNumberOfTemplates := 9 if l := len(c.Templates); l != expectedNumberOfTemplates { t.Errorf("Expected %d templates, got %d", expectedNumberOfTemplates, l) } @@ -174,7 +174,7 @@ func TestCreateStarterAbsoluteCmd(t *testing.T) { t.Errorf("Wrong API version: %q", c.Metadata.APIVersion) } - expectedNumberOfTemplates := 8 + expectedNumberOfTemplates := 9 if l := len(c.Templates); l != expectedNumberOfTemplates { t.Errorf("Expected %d templates, got %d", expectedNumberOfTemplates, l) } diff --git a/pkg/chartutil/create.go b/pkg/chartutil/create.go index 24eb1e277..b088f20ce 100644 --- a/pkg/chartutil/create.go +++ b/pkg/chartutil/create.go @@ -53,6 +53,8 @@ const ( ServiceName = TemplatesDir + sep + "service.yaml" // ServiceAccountName is the name of the example serviceaccount file. ServiceAccountName = TemplatesDir + sep + "serviceaccount.yaml" + // HorizontalPodAutoscalerName is the name of the example hpa file. + HorizontalPodAutoscalerName = TemplatesDir + sep + "hpa.yaml" // NotesName is the name of the example NOTES.txt file. NotesName = TemplatesDir + sep + "NOTES.txt" // HelpersName is the name of the example helpers file. @@ -149,6 +151,13 @@ resources: {} # cpu: 100m # memory: 128Mi +autoscaling: + enabled: false + minReplicas: 1 + maxReplicas: 100 + targetCPUUtilizationPercentage: 80 + # targetMemoryUtilizationPercentage: 80 + nodeSelector: {} tolerations: [] @@ -231,7 +240,9 @@ metadata: labels: {{- include ".labels" . | nindent 4 }} spec: +{{- if not .Values.autoscaling.enabled }} replicas: {{ .Values.replicaCount }} +{{- end }} selector: matchLabels: {{- include ".selectorLabels" . | nindent 6 }} @@ -312,6 +323,36 @@ metadata: {{- end -}} ` +const defaultHorizontalPodAutoscaler = `{{- if .Values.autoscaling.enabled }} +apiVersion: autoscaling/v2beta1 +kind: HorizontalPodAutoscaler +metadata: + name: {{ include ".fullname" . }} + labels: + {{- include ".labels" . | nindent 4 }} +spec: + scaleTargetRef: + apiVersion: apps/v1 + kind: Deployment + name: {{ include ".fullname" . }} + minReplicas: {{ .Values.autoscaling.minReplicas }} + maxReplicas: {{ .Values.autoscaling.maxReplicas }} + metrics: + {{- if .Values.autoscaling.targetCPUUtilizationPercentage }} + - type: Resource + resource: + name: cpu + targetAverageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }} + {{- end }} + {{- if .Values.autoscaling.targetMemoryUtilizationPercentage }} + - type: Resource + resource: + name: memory + targetAverageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }} + {{- end }} +{{- end }} +` + const defaultNotes = `1. Get the application URL by running these commands: {{- if .Values.ingress.enabled }} {{- range $host := .Values.ingress.hosts }} @@ -526,6 +567,11 @@ func Create(name, dir string) (string, error) { path: filepath.Join(cdir, ServiceAccountName), content: transform(defaultServiceAccount, name), }, + { + // hpa.yaml + path: filepath.Join(cdir, HorizontalPodAutoscalerName), + content: transform(defaultHorizontalPodAutoscaler, name), + }, { // NOTES.txt path: filepath.Join(cdir, NotesName),